Powering your fish finder is a critical piece of the kayak fishing puzzle. A reliable battery box not only provides consistent energy for long days on the water but also protects your electronics from splashes and the marine environment. Choosing the right system can streamline your setup, reduce clutter, and get you fishing faster.
From all-in-one mounting solutions to standalone power boxes, the market offers a variety of options to suit different needs and budgets. This guide examines eight of the best battery solutions for 2025, highlighting their key features and benefits to help you make an informed decision for your kayak.
The Best Kayak Fish Finder Battery Solutions
- YakAttack CellBlok with Switchblade Transducer Arm
- usvehj Track Mounted Battery Box for Fish Finders
- Elephant Kayak Battery Box Waterproof Battery Enclosure
- GOLDENMATE 12V 10Ah LiFePO4 Lithium Battery
- Track Mounted Battery Box Replace for YakAttack CellBlok
- GOLDENMATE 12V 20Ah LiFePO4 Battery
- NOCO SnapTop 12V 10Ah Lithium Marine Battery Box
- Mighty Max Battery 12V 10Ah LiFePO4 Power Box
YakAttack CellBlok with Switchblade Transducer Arm

The YakAttack CellBlok is an all-in-one solution designed for a streamlined fish finder setup. This system combines a track-mounted battery box with a top platform and pairs it with the SwitchBlade Transducer Arm. This integrated approach means you can manage both your power source and transducer deployment from a single, secure unit.
Installation is simple and requires no drilling, which helps preserve the integrity of your kayak’s hull. You can attach or remove the entire system by simply loosening two knobs, making it easy to set up or break down. Weighing just 1.4 lbs, the updated CellBlok is lightweight yet spacious enough to fit 10ah batteries and features larger cable wraps to support modern fish finder units.
usvehj Track Mounted Battery Box for Fish Finders

This usvehj battery box serves as a direct replacement for the YakAttack CellBlok (CLB-1002), offering wide compatibility at a more accessible price point. It is designed to attach to YakAttack GearTrac and most other kayak track systems, fitting most 7, 9, or 10 Ah 12v batteries from popular brands.
The design emphasizes easy installation and portability. The top surface acts as a mounting platform for your display and transmitter arm, and no drilling or permanent wiring is needed in your kayak. Constructed from premium composite materials, this box is built to withstand harsh marine environments while maintaining a lightweight profile of only 1.4 lbs. A T-shaped frame on the side aids in neat cable management.
Elephant Kayak Battery Box Waterproof Battery Enclosure

The Elephant Battery Box is a straightforward and effective waterproof enclosure for standard 12V batteries. It is designed to fit 7AH or 9AH batteries with dimensions of 5.9″ x 2.6″ x 3.7″ inches that use male spade terminals, providing a simple housing solution for your power source.
This box is built for a marine environment, featuring a single IP68 waterproof marine-grade polarized connector rated for 25A. The connectors remain waterproof even when the cap is removed. For safety, it includes a single watertight marine-grade fuse holder, and comes with both 3 amp and 5 amp fuses to protect your fish finder and other connected devices.
GOLDENMATE 12V 10Ah LiFePO4 Lithium Battery

The GOLDENMATE 12V 10Ah battery leverages LiFePO4 (lithium iron phosphate) technology for superior performance and safety. It offers high energy density and a long cycle life, with a built-in Battery Management System (BMS) that provides protection against overcharging, over-discharging, over-current, and short circuits.
Weighing just 3.3 pounds, this battery is exceptionally lightweight, making it ideal for kayak applications where every pound counts. Its IP67 waterproof rating ensures it is protected from dust and temporary immersion, a crucial feature for any marine use. The battery boasts an impressive lifespan of over 5000 deep cycles, which can translate to a 10-year service life, offering excellent long-term value.
Track Mounted Battery Box Replace for YakAttack CellBlok

This track-mounted battery box is another high-quality alternative to the YakAttack CellBlok. It is designed for wide compatibility, fitting most 7, 9, or 10 Ah 12v batteries from brands like YakAttack, Nocqua, and Dakota Lithium. It attaches securely to YakAttack and other common kayak track systems.
The box is engineered to provide reliable power for your fish finder, allowing you to focus on fishing rather than battery life. Its innovative design includes a top surface that doubles as a mounting platform for your display and deployment arm. For organization, a T-shaped frame on the side is included for effective cable management, helping to keep your kayak deck tidy and free of snags.
GOLDENMATE 12V 20Ah LiFePO4 Battery

For anglers who need extended runtime, the GOLDENMATE 12V 20Ah battery offers double the capacity of its 10Ah counterpart. This upgraded LiFePO4 battery provides impressive energy density and is equipped with a built-in 20A BMS for comprehensive protection against various electrical faults.
Despite its higher capacity, it remains portable at just 5.95 pounds. The IP67 waterproof rating makes it a robust choice for marine use, protecting it from dust and water immersion. Built with premium lithium iron phosphate cells, this battery is rated for over 5,000 charge cycles, ensuring long-term reliability and consistent performance for many fishing seasons to come.
NOCO SnapTop 12V 10Ah Lithium Marine Battery Box
NOCO is a trusted name in power solutions, and their SnapTop Marine Battery Box is designed to offer a secure and user-friendly housing for your lithium battery. The SnapTop design likely suggests an easy-to-open and close mechanism, simplifying the process of installing or removing the battery.
This pre-configured box is built to marine standards, offering protection from the elements to keep your battery safe from water and corrosion. As a complete power box solution from a reputable brand, it provides a convenient and reliable way to power your fish finder and other 12V accessories on the water without the need for separate component assembly.
Mighty Max Battery 12V 10Ah LiFePO4 Power Box
The Mighty Max Battery Power Box is another integrated solution that combines a LiFePO4 battery with a protective enclosure. This all-in-one unit is ready to use right out of the box, eliminating the guesswork of matching a battery to a separate housing.
It features a 12V 10Ah LiFePO4 battery, known for its stability and long cycle life. The included power box provides essential physical protection and likely features output ports for easy connection to your devices. This type of product is an excellent choice for those seeking a simple, no-hassle power source for their kayak fish finder setup.
Buying Guide: How to Choose the Best Battery Box for Your Kayak Fish Finder
Choosing the right battery box for your kayak fish finder is about more than just finding a container for a battery. It’s about safety, reliability, and making sure your electronics stay powered for the entire trip. I’ve spent a lot of time on the water, and a good battery box is a piece of gear you’ll appreciate every single time you go out. Here’s what I look for.
First, consider the battery type and capacity. Most kayak anglers use 12V batteries, with 7Ah to 12Ah being the sweet spot for a full day of fishing. A smaller 7Ah battery is lightweight and compact, perfect for shorter trips. If you’re running a high-resolution unit or planning a long day, a 10Ah or 12Ah battery gives you that extra peace of mind. Make sure your box is designed to securely hold the specific battery size you choose to prevent any movement while you’re paddling.
Next, look at the build quality and waterproofing. You’re in a kayak; things are going to get wet. A truly waterproof (or at the very least, highly water-resistant) box is non-negotiable. Check the seal on the lid—a thick, silicone or rubber gasket is a good sign. The material matters too; I prefer hard ABS plastic over softer materials as it’s more durable and better at protecting the battery from impacts.
The built-in electrical components are the heart of a good battery box. Look for a model that includes a 12V accessory plug (cigarette lighter socket), at least one USB port for charging phones or other devices, and an inline fuse holder for safety. A voltmeter is a fantastic feature that lets you check your battery level at a glance, so you’re never caught off guard by a dead battery. I always check that the wiring is of a decent gauge and that all connections are solid.
Finally, think about the practicalities. How does it mount in your kayak? Some boxes have built-in strap slots or recessed areas for a strap to pass through, which is incredibly handy for securing it to a kayak’s tank well or inside a hatch. Also, consider the overall size and weight once the battery is inside. You have limited space in a kayak, so a compact, efficient design is key. By focusing on these aspects—battery compatibility, waterproofing, electrical features, and mounting options—you can find the perfect power solution for your needs. This guide to the 8 best battery box for kayak fish finder options focuses on models that excel in these areas.
FAQ
What size battery do I need for my kayak fish finder?
For most kayak fish finders, a 12-volt, 7 to 9 Amp-hour (Ah) battery is sufficient for a full day on the water. If you have a larger, more power-hungry unit with side-scanning capabilities or you plan on very long trips, stepping up to a 10Ah or 12Ah battery is a smart move. It’s always better to have a little extra capacity than to run out of power.
How long will a battery last with my fish finder?
This depends entirely on your fish finder’s power draw (usually listed in watts or amps in the manual) and your battery’s capacity. A rough calculation is to divide the battery’s Amp-hour (Ah) rating by the fish finder’s amp draw. For example, if you have an 8Ah battery and your unit draws 1 amp, you can expect roughly 8 hours of runtime. Using a backlight or having the unit on its highest brightness will reduce this time.
Are these battery boxes completely waterproof?
Many are marketed as waterproof, and with a proper seal, they offer excellent protection from splashes, rain, and even a quick dunk. However, I would not trust any consumer-grade box to be submersible for a long period. The key is the gasket on the lid—make sure it’s clean and the lid is clamped down tightly. For ultimate safety, I still stow my battery box in a dry bag or a hatch if conditions look rough.
Can I charge my phone from the battery box?
Absolutely! This is one of the main reasons I recommend getting a box with built-in USB ports. It’s incredibly convenient for keeping your phone charged for navigation, photos, or emergencies. Just make sure you account for that extra power draw on your battery, especially if you’re also running a fish finder off it all day.
What is the purpose of the fuse on the battery box?
The inline fuse is a critical safety feature. It protects your wiring and your electronics from a power surge or a short circuit. If too much current flows, the fuse will blow, breaking the circuit and preventing potential damage or even a fire. Always check that the fuse is the correct amperage for your device and carry a couple of spares in your tackle box.
How should I secure the battery box in my kayak?
You never want a heavy battery box sliding around in your kayak. The best method is to use the built-in strap slots or recesses on the box and secure it with a sturdy strap or a bungee cord to one of your kayak’s deck rigging points. Placing it in the tank well is a common and secure spot. A reliable power source is a key part of any setup for the 8 best battery box for kayak fish finder systems, and keeping it secure is just as important as keeping it dry.